get_strehl_from_pupil

hcipy.metrics.get_strehl_from_pupil(aperture, ref_aperture)

Get the Strehl ratio from a pupil-plane electric field.

Parameters

apertureField or array_like

The pupil-plane electric field.

ref_apertureField or array_like

The reference pupil-plane electric field without aberrations.

Returns

scalar

The Strehl ratio.